English: Google Glass (styled as "Google GLΛSS") is a wearable computer with a head-mounted display (HMD) that is being developed by Google in the Project Glass research and development project, with the mission of producing a mass-market ubiquitous computer.

Simple English:Google Glass (styled as Google GLΛSS) is a wearable computer that is being developed by Google. It is worn on a person's head, with a screen sitting in front of the eyes that displays information like a smartphone. It is instructed through natural language voice commands. The device also has a touch pad on the side. The plan is to make them attached to regular glasses and sunglasses.